Disclosure of Invention
The invention aims to: the railway roadbed assembled cable trough aims at the technical problems that the traditional railway roadbed integrated cable trough cannot adapt to the requirements of railway line trend change and obstacle avoidance, cannot adapt to the continuous change of lateral pressures of soil on two sides of the trough body, is poor in durability, short in service life and difficult to maintain and repair.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a railway roadbed assembled cable duct, includes a plurality of cell body segments, each the cell body segment includes the bottom plate and sets up the curb plate of bottom plate both sides, the bottom plate with the curb plate buckle is connected, still includes a plurality of cross arms, the cross arm is in with the setting buckle groove buckle on the curb plate inner wall is connected.
The invention relates to a railway roadbed assembled cable trough, which is prefabricated in a segment factory, a bottom plate and side plates adopt an assembled structure connected by a buckle, the assembled cable trough can be prepared independently and transported after being disassembled, the transportation is convenient, the transportation and installation cost is reduced, meanwhile, the size or the shape of the bottom plate can be conveniently adjusted, so that the cable trough can be easily adapted to the line trend adjustment, obstacles can be smoothly bypassed, the environmental adaptability of the cable trough is improved, meanwhile, the positions and the number of cross arms connected and arranged by the buckle can be easily adjusted according to the size of lateral pressure of soil on two sides of the cable trough, so that the cable trough can adjust the supporting strength of the side walls according to the size of the lateral pressure, the durability and the service life of the cable trough are improved, the cross arms can be used as supporting members for bearing cables, and angle iron brackets are not required to be arranged in the cable trough for supporting the cables, the preparation cost, the installation cost and the use cost of the cable trough are reduced, and when the cable trough is maintained and overhauled in the later period, all parts are only required to be replaced independently, so that the maintenance and overhaul cost of the cable trough is lower.
As a preferable scheme of the present invention, the latching grooves are continuously arranged along an extending direction of the cable groove, and at least one latching groove is arranged on the side plate. The buckle groove that sets up in succession has the effect of strengthening curb plate intensity, simultaneously, provides incessant mounted position for the cross arm, makes the cross arm can adjust mounted position and installation density according to actual conditions, makes the mounted position and the installation density of cross arm and the size of the lateral side pressure of soil suit, and simultaneously, the cross arm can be as the connecting elements who connects two adjacent cable ducts, and the card is held on the concatenation face of two adjacent cable ducts, strengthens the stability of cable duct along length direction concatenation.
As a preferable scheme of the invention, the novel solar heat collector also comprises a plurality of partition plates, wherein the partition plates are arranged in parallel with the side plates and are connected with the bottom plate in a buckling manner. The baffle is used for carrying out the subregion setting with the cable duct, conveniently carries out the subregion with the cable according to the in-service use demand and lays, improves cable laying's stability and security, facilitates for later maintenance and overhaul.
As a preferable scheme of the present invention, the bottom plate is provided with a slot, and each slot includes two vertical plates arranged in parallel in a vertical direction. The clamping groove formed by the vertical plates is connected with the side plates or the partition plates in a buckling mode, so that the clamping groove not only has the function of connecting the side plates or the partition plates, but also has the function of strengthening the structural stability of the side plates or the partition plates.
As a preferable aspect of the present invention, the cross arm includes a top plate, and both ends of the top plate in the longitudinal direction are bent downward to form the stopper plates adapted to the catching grooves. The limiting plate of platelike structure and the area of being connected in buckle groove broad, it is better to the supporting effect of the horizontal pressure measurement of soil, simultaneously, can be easier as the connecting elements who connects two adjacent cable ducts, guarantee the concatenation stability of two adjacent cable ducts.
As a preferable scheme of the invention, a reinforcing plate is arranged at the bottom of the top plate, and the reinforcing plate is perpendicular to the limiting plate.
In a preferred embodiment of the present invention, the bottom plate, the side plates and the cross arm are all SMC polymer structural members. The single structure spare self that SMC polymeric material made has advantages such as cold-resistant, high temperature resistant, corrosion-resistant, oxidation-resistant, no expansibility, and the durability obviously improves than traditional cable duct structure, and weight obviously reduces than traditional cable duct, and each part adopts SMC polymeric material mill prefabrication, can realize the commonality of replacement, provides very big facility for later maintenance.
As a preferable scheme of the invention, the top of the top plate is provided with a plurality of ribs, the top surfaces of the ribs are arc-shaped surfaces, and the ribs are arranged along the length direction of the top plate. The bead plays the effect of reinforcing on the cross arm, improves the cross arm to the resistance effect of soil lateral pressure, improves the overall structure intensity and the stability of this cable duct, and simultaneously, the bead plays the effect of supporting the protection cable on the cross arm, makes the cable drag or lay the in-process along the cross arm, and the cable epidermis is difficult to receive the damage, and reduces the hindrance power that the cable dragged, makes things convenient for laying of cable.
As the preferable scheme of the invention, the trough body structure further comprises a connecting plate used for connecting adjacent trough body sections, the connecting plate is L-shaped, and the bottom of the bottom plate is provided with a groove matched with the connecting plate. The right angle position that the connecting plate cladding set up and form behind bottom plate and curb plate lock realizes that the cell body festival section is connected along extending direction's concatenation, makes this cable duct can be according to actual conditions adjustment length, can move towards to avoid the barrier according to the environmental adjustment, improves adjacent cell body festival section's concatenation stability, improves the environmental suitability of this cable duct.
As a preferable scheme of the invention, the outer wall of the side plate is provided with a limiting rib along the extending direction of the cable groove, the limiting rib is used for being buckled and pressed on the vertical plate, the connecting plate is provided with a bending part, and the bending part is used for being buckled and pressed on the limiting rib. Form range upon range of suppression structure through riser, spacing rib and flexion, make curb plate, bottom plate and connecting plate buckle connect stably, improve the overall structure stability of this cable duct.
As a preferable scheme of the invention, a supporting plate for supporting the cover plate is arranged on the inner wall of the side plate, the cover plate is connected with the supporting plate in a buckling manner, a supporting plate for supporting the cover plate is arranged at the top of the partition plate, and the adjacent cover plates are connected in a buckling manner. The apron is connected with the bearing board buckle on the curb plate, make the apron set up stably, can bear the great wind load that the high-speed operation of circuit arouses, and preparation, transportation and easy dismounting, the baffle supports through the backup pad that sets up at its top and leans on the apron, can increase the bearing strength of apron, avoids apron compressive deformation, the life of extension apron, and simultaneously, adjacent apron buckle is connected, makes the apron that sets up in succession even as whole, further improves the ability of the anti wind load along the railway of apron.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the bottom plate and the side plates are of an assembled structure connected through the buckles, can be independently prepared and transported after being disassembled, so that the transportation is convenient, and the transportation and installation cost is reduced;
2. the size or the shape of the bottom plate can be conveniently adjusted, so that the cable trough can be easily adapted to the line trend, smoothly bypasses obstacles, and improves the environmental adaptability of the cable trough;
3. the positions and the number of the cross arms connected and arranged through the buckles can be easily adjusted according to the sizes of the lateral pressures of the soil on the two sides of the cable trough, so that the supporting strength of the cable trough on the lateral walls can be adjusted according to the sizes of the lateral pressures, the durability of the cable trough is improved, and the service life of the cable trough is prolonged;
4. the cross arm can be used as a support structure for bearing the cable, so that an angle steel bracket is not required to be arranged in the cable trough for supporting the cable, and the preparation cost, the installation cost and the use cost of the cable trough are reduced;
5. when later maintenance is overhauled, only need change each part alone, make this cable duct maintain the cost of overhaul lower.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-13, a railway roadbed assembled cable duct includes the cell body festival section, each the cell body festival section includes bottom plate 1, both sides board 2 and a plurality of cross arm 3, be provided with buckle groove 4 on the 2 inner walls of curb plate, be provided with draw-in groove 11 on the bottom plate 1, curb plate 2 passes through draw-in groove 11 is connected with bottom plate 1 buckle, cross arm 3 passes through buckle groove 4 is connected with 2 buckles of curb plate.
The railway roadbed assembled cable duct of this embodiment, the position that corresponds curb plate 2 on bottom plate 1 sets up draw-in groove 11, and draw-in groove 11 includes two risers 111 of vertical parallel arrangement, and in curb plate 2 can stretch into the clearance between two risers 111, realize that the buckle of curb plate 2 and bottom plate 1 is connected, 2 inner walls of curb plate transversely set up buckle groove 4, buckle groove 4 is protruding to the cable duct and upwards extend the formation by 2 inner walls of curb plate, and cross arm 3 strides and establishes on two buckle grooves 4 that set up relatively, sets up along cable duct longitudinal sliding in buckle groove 4, sets up perpendicularly with both sides board 2.
In the embodiment, the cable trough with the fabricated structure can be disassembled and then transported to an installation site for combination, different sizes can be formed by combination according to actual use requirements, the adaptability to the site environment is excellent, seamless splicing connection with any length can be carried out along the extending direction of the cable trough, cutting adjustment can be carried out according to the position of a barrier, and only the cut bottom plate 1 and the cut side plate 2 need to be seamlessly connected, so that great convenience can be provided for newly-built railways and existing line transformation construction by the cable trough; meanwhile, the setting position and the distribution density of the cross arm 3 can be easily adjusted according to the size of the lateral pressure of the cable trough, so that the supporting strength of the side wall of the cable trough can be changed according to actual conditions, the supporting strength of the cable trough is improved, the cable trough is prevented from being deformed by compression, the durability and the service life of the cable trough are improved, the cross arm 3 is used as a supporting component for supporting cables, an angle iron bracket independently arranged on the side wall in the existing cable trough is replaced, the defects that the existing angle iron bracket is time-consuming and labor-consuming in installation and is easy to rust and the later maintenance and repair cost is very large are avoided, and compared with the service life of the existing concrete structure cable trough of 20-30 years, the service life of the cable trough with the structure can reach 50-60.
During concrete construction, each part is prefabricated in factories according to the size required by the site, is conveyed to the site through a transport vehicle for splicing and forming, the groove is dug on the site, the bottom of the groove is adjusted to the designed elevation by adopting a concrete cushion, the spliced and formed cable trough is placed into the groove, graded broken stones are backfilled and tamped on two sides of the groove, and then cable laying is carried out after the position of the trough body is stable.
Preferably, the bottom plate 1, the side plates 2 and the cross arm 3 are all SMC polymer material structural members, the clamping groove 11 and the bottom plate 1 are integrally formed, and the clamping groove 4 and the side plates 2 are integrally formed. Compared with the wall thickness of a concrete cable groove, the wall thickness of the bottom plate 1 and the side plate 2 formed by the SMC polymeric material is thinner, compared with the weight of about 250kg per meter of a traditional concrete structure cable groove, the structure has the weight of about 35kg per meter, the width of an excavated roadbed surface is reduced when the cable groove is arranged, the land and civil engineering can be saved, great economic benefits are brought, meanwhile, the bottom plate 1, the side plate 2 and the cross arm 3 formed by the SMC polymeric material are easy to cut, when the maximum 135-degree corner of the cable needs to be arranged, the size of each part can be easily adjusted according to the actual use condition, the length of the bottom plate 1, the shape of the bottom plate 1 and the length of the side plate 2 of the formed cable groove can be flexibly adjusted on site according to the field condition, the width of the bottom plate 1, the height of the side plate 2 and the length of the cross arm 3 can be adjusted when the cable, the assembled cable trough is convenient to construct and transform a newly-built railway and an existing line, and the installation cost of the cable trough can be reduced to 10% of that of the traditional cable trough by adopting the assembled structure.
Preferably, the vertical plate 111 is continuously arranged along the extending direction of the cable groove. The clamping groove 11 formed by the two vertical plates 111 can stably clamp the side plate 2, and the stability of the buckling connection between the side plate 2 and the bottom plate 1 is ensured.
Preferably, the inner wall of the side plate 2 is provided with a bearing plate 8 for bearing a cover plate 9, and the cover plate 9 is connected with the bearing plate 8 in a buckling manner. Bearing board 8 and curb plate 2 integrated into one piece, bearing board 8 top sets up bellying 81, and the apron 9 is gone up relatively bellying 81 sets up concave part 91, makes apron 9 realize being connected with the buckle of curb plate 2 through the lock of bellying 81 and concave part 91, makes apron 9 simple structure, and the installation is stable.
Preferably, the protrusions 81 of the support plate 8 are arranged continuously along the cable trough extension. The contact area of messenger's bearing board 8 and apron 9 broad, boss 81 are embedded into apron 9 bottom and vertically run through along the cable duct the concave part 91 of apron 9, make apron 9 along the wind-resistant load capacity of cable duct transverse direction better, can suit with the existing line of high-speed operation, can be according to actual conditions, adjust boss 81's cross sectional shape, make boss 81 and apron 9 be connected more stably, can bear the wind load of equidirectional not, further improve the stability that apron 9 set up.
Example 2
As shown in fig. 1 to 13, the railway roadbed assembled cable trough of the embodiment has the same structure as that of embodiment 1, except that: the adjacent cover plates 9 are connected in a snap-fit manner.
The railway roadbed assembled cable duct of this embodiment, 9 top surfaces of the cover plates set up a first connecting groove 92 along the transverse direction of the cable duct, 9 bottom surfaces of the cover plates set up a second connecting groove 93 along the transverse direction of the cable duct, and the first connecting groove 92 and the second connecting groove 93 of the cover plates 9 that are adjacently arranged are buckled and connected to realize adjacency, and the buckle of the cover plates 9 is connected.
It is specific, it is same on the apron 9, a connecting groove 92 and a connecting groove two 93 set gradually along the train advancing direction, just a connecting groove 92 with a connecting groove two 93 sets up relatively and forms the both sides of direction at apron 9 along the train, and adjacent apron 9 carries out the buckle and connects the back, connects gradually along all apron 9 of cable duct longitudinal direction and forms wholly, can not lift apron 9 to the wind load of apron 9 when making the train advance, improves the anti-wind ability of this cable duct.
Specifically, the corner positions of the inner walls of the first connecting groove 92 and the second connecting groove 93 are both arc surfaces, so that when the cover plate 9 needs to be opened, the cover plate 9 only needs to be lifted upwards from the position of the second connecting groove 93, and the cover plate 9 can be opened.
Specifically, the first connecting groove 92 and the second connecting groove 93 are in a concave-convex buckling connection structure.
Example 3
As shown in fig. 1 to 13, the railway roadbed assembled cable trough of the embodiment has the same structure as that of the embodiment 2, except that: the buckle groove 4 is continuously arranged along the extending direction of the cable groove, and one buckle groove 4 is arranged on the side plate 2.
In the railway roadbed assembled cable groove of the embodiment, the buckling groove 4 is formed by continuously protruding the inner wall of the side plate 2 into the cable groove and extending upwards, the side plate 2 can be reinforced, a plurality of buckling grooves 4 can be arranged in parallel on the inner wall of the side plate 2 according to actual conditions, a position is reserved for installing the cross arm 3, the compressive strength of the side plate 2 is improved, meanwhile, as the buckling grooves 4 are continuously arranged, the cross arm 3 can slide along the buckling grooves 4 according to the actual conditions, the installation position and the installation density of the cross arm 3 are adjusted, the support strength of the cross arm 3 to the side plate 2 is adapted to the lateral pressure of soil to the cable groove, meanwhile, when two adjacent side plates 2 along the longitudinal direction of the cable groove, namely the extending direction of the cable groove, are spliced, the buckling grooves 4 on the two side plates 2 are communicated, and uninterrupted installation positions can be provided for the cross arm 3, and the cross arm 3 can be striden and established on the concatenation face of two buckle grooves 4, makes cross arm 3 not only have the effect of strengthening the horizontal compressive capacity of cable duct, the effect of support cable still have the effect of connecting adjacent curb plate 2, and the maximum structural stability who improves in the cable duct use reduces the cost and the degree of difficulty of cable duct preparation installation process.
Example 4
As shown in fig. 1 to 13, the structure of a railway roadbed assembled cable trough of the present embodiment is the same as that of embodiment 3, except that: still include a plurality of baffles 5, baffle 5 with 2 parallel arrangement of curb plate, baffle 5 with 1 buckle connection of bottom plate, baffle 5 top sets up the backup pad 51 that is used for bearing apron 9.
The utility model provides a railway roadbed assembled cable duct of this embodiment, baffle 5 is used for carrying out the subregion along cable duct extending direction to the cable duct inner space, makes the convenience carry out the subregion with the cable according to the in-service use demand and lays, carries out the subregion according to forceful electric power or light current cable for example and lays, improves cable laying's stability and security, and it facilitates to maintain to overhaul for the later stage, and simultaneously, the backup pad 51 that baffle 5 top set up can be used for supporting apron 9, improves apron 9's overall stability.
Specifically, the corresponding setting in position of buckle groove 4 on the corresponding curb plate 2 on baffle 5 is to the cable duct in and the arch that upwards extends, forms buckle groove 5 equally, and the messenger only needs the whippletree 3 of selecting different length just can be installed to between curb plate 2 and the baffle 5 more easily, and the same play its effect to still further play the effect of maintaining baffle 5 stability.
Preferably, the supporting plate 51 is embedded in the cover plate 9, so as to realize the snap connection between the cover plate 9 and the partition plate 5.
Example 5
As shown in fig. 1 to 13, the structure of a railway roadbed assembled cable trough of the present embodiment is the same as that of embodiment 4, except that: the cross arm 3 comprises a top plate 31, two ends of the top plate 31 in the length direction are bent downwards to form a limiting plate 32 matched with the buckling groove 4, a reinforcing plate 33 is arranged at the bottom of the top plate 31, and the reinforcing plate 33 is perpendicular to the limiting plate 32.
The utility model provides a railway roadbed assembled cable duct of this embodiment, cross arm 3 is SMC polymeric material structure, roof 31, limiting plate 32 and reinforcing plate 33 integrated into one piece, form the clearance between limiting plate 32 and reinforcing plate 33, make limiting plate 32 can stretch into in buckle groove 4, realize that cross arm 3 is connected with the buckle of curb plate 2 or baffle 5, cross arm 3 simple structure, the preparation is easy, the limiting plate 32 and the curb plate 2 or the 4 face contaction that form of baffle at its both ends, not only be connected stably with buckle groove 4, improve the overall structure stability of cable duct, and face contaction can increase the compressive area, the improvement is to the resistance effect of the horizontal pressure measurement of soil, avoid cable duct compressive deformation, improve the whole bearing capacity of cable duct.
Preferably, a plurality of protruding ribs 311 are arranged at the top of the top plate 31, the top surfaces of the protruding ribs 311 are arc-shaped surfaces, and the protruding ribs 311 are arranged along the length direction of the top plate 31. The convex edge 311 is a continuous bulge arranged at the top of the top plate 31, the top of the convex edge 311 is arranged in an arc surface shape, the self pressure-bearing capacity of the cross arm 3 can be enhanced due to the arrangement of the convex edge 311, meanwhile, when cables are laid on the cross arm 3, the surface damage of the cables in the dragging or laying process can be avoided, the drag resistance of the cables in cable grooves is reduced, and the cable laying difficulty is reduced.
Example 6
As shown in fig. 1 to 13, the structure of a railway roadbed assembled cable trough of the present embodiment is the same as that of embodiment 5, except that: still including being used for connecting the connecting plate 6 of adjacent cell body festival section, connecting plate 6 is the L type, and the right angle position that forms after bottom plate 1 and 2 locks of curb plate is set up in the cladding of connecting plate 6, 1 bottom of bottom plate be provided with the recess 12 of 6 adaptations of connecting plate.
The utility model provides a railway roadbed assembled cable duct of embodiment, the cable duct is prefabricated for segment form mill, carry out single-section's shaping at the scene and assemble and along the continuous concatenation of length direction's many segments, 1 both sides of bottom plate are upwards buckled, shaping bottom plate 1 and riser 111's integral type structure, the position that is close to riser 111 at bottom plate 1 sets up the deformation segment, the recess 12 of integrated into one piece and 6 adaptations of connecting plate, the shaping boss in bottom plate 1 that recess 12 corresponds simultaneously, make the plane that the boss can regard as guide rivers, can be according to actual conditions, set up the wash port on bottom plate 1, avoid the cable duct in the entering rivers to gather in the cable duct, provide the installation of adaptation for the cable, service environment.
Specifically, connecting plate 6 is the L type, and sets up or the festival section interval along the continuous incessant setting of cable duct extending direction, and the cladding that can be stable is in the outside of the right angle position that forms after bottom plate 1 and curb plate 2 are connected, improves the overall structure stability of cable duct, and can be stable maintain along the adjacent both sides board 2 of cable duct extending direction or the concatenation stability between two bottom plates 1.
Preferably, the outer wall of the side plate 2 is provided with a limiting rib 7 along the extending direction of the cable duct, the limiting rib 7 is used for being buckled and pressed on the vertical plate 111, the connecting plate 6 is provided with a bending part 61, and the bending part 61 is used for being buckled and pressed on the limiting rib 7. In this embodiment, 1 both sides of bottom plate are upwards buckled, the integral type structure of shaping bottom plate 1 and riser 111, the spacing rib 7 of integrated into one piece on the curb plate 2, the setting height of spacing rib 7 highly suits with riser 111, make curb plate 2 and 1 buckle of bottom plate be connected the back, spacing rib 7 withstands at riser 111 top surface, connecting plate 6 cladding is behind the right angle position, flexion 61 withstands on connecting plate 6 is withheld on spacing rib 7, make riser 111, spacing rib 7 and flexion 61 form range upon range of suppression structure, make curb plate 2, bottom plate 1 and 6 buckles of connecting plate are connected stably, improve the overall structure stability of this cable duct, and this range upon range of suppression structure can prevent effectively that rivers such as rainwater from getting into the cable duct from curb plate 2 and bottom plate 1's buckle concatenation position in the soil, guarantee the cable and set up the suitable of environment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.